CN216819130U

CN216819130U - Roof distributed power station photovoltaic conflux case protection device

Info

Publication number: CN216819130U
Application number: CN202122814691.7U
Authority: CN
Inventors: 吴大清
Original assignee: Shanghai Zini Power Technology Co ltd
Current assignee: Shanghai Zini Power Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-06-24
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a photovoltaic combiner box protection device for a roof distributed power station, which comprises a protection box and a combiner box, wherein the combiner box is arranged in the protection box, a plurality of water guide grooves are formed in the inner bottom of the protection box, a filtering assembly extending into the combiner box is arranged on the protection box, sealing rings are arranged at the joints of the filtering assembly, the combiner box and the protection box, and an input mechanism connected with the combiner box is connected onto the protection box. When the motor works, external air can enter the cavity between the protection box and the confluence box, and can also enter the confluence box, so that the temperature of the confluence box is reduced, parts inside the confluence box are further prevented from being in a high-temperature state, the filtering assembly can treat the external air, dust and water vapor are prevented from entering the confluence box, and the parts inside the confluence box are further protected.

Description

Roof distributed power station photovoltaic conflux case protection device

Technical Field

The utility model relates to the technical field of combiner box protection devices, in particular to a photovoltaic combiner box protection device for a roof distributed power station.

Background

The junction box means that a user can connect a certain number of photovoltaic cells with the same specification in series to form a plurality of photovoltaic strings, then a plurality of photovoltaic strings are connected in parallel to the photovoltaic junction box, and after the photovoltaic junction boxes are connected in a junction mode, a complete photovoltaic power generation system is formed through the controller, the direct-current power distribution cabinet, the photovoltaic inverter, the alternating-current power distribution cabinet and the matched use, and grid connection of solar power and commercial power is achieved.

In actual conditions, the collection flow box is an important component part in the photovoltaic power generation system, and the collection flow box can influence whether photovoltaic power generation system normally operates, but in actual conditions, the collection flow box is placed outdoors, and the collection flow box is because the protection of box is than relatively poor, therefore the spare part in the collection flow box appears damaging very easily to need staff's a lot of overhauls, further influence photovoltaic power generation system's normal operating.

Therefore, the photovoltaic combiner box protection device for the roof distributed power station is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a photovoltaic combiner box protection device for a roof distributed power station.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a roof distributing type power station photovoltaic conflux case protection device, includes guard box and conflux case, the case that converges is inside the guard box, the interior bottom of guard box is equipped with a plurality of guiding gutters, be equipped with on the guard box and extend to the inside filter assembly who converges the incasement, filter assembly all is equipped with the sealing ring with the junction that converges case and guard box, be connected with the input mechanism who is connected with the case that converges on the guard box, be equipped with actuating mechanism in the input mechanism, it is equipped with detection mechanism on the case to converge.

Preferably, the filter assembly is composed of an input pipe, an electromagnetic valve, a molecular sieve and a filter cartridge, one end of the input pipe penetrates through the side wall of the protection box and extends into the confluence box, a plurality of sealing rings are respectively arranged at the connection positions of the input pipe, the protection box and the confluence box, the electromagnetic valve is arranged on the input pipe, the molecular sieve is arranged in the input pipe, and the filter cartridge is in threaded connection with the input end of the input pipe.

Preferably, the water chutes are obliquely arranged, and the water chutes penetrate through the side wall of the protection box and extend to the outer side of the protection box.

Preferably, the input mechanism includes the drive case of fixed connection on the guard box, the end fixedly connected with outlet duct of giving vent to anger of drive case, the air inlet end fixedly connected with of drive case extends to the inside intake pipe of flow box that converges, the air inlet end fixedly connected with two symmetrical honeycomb ducts of intake pipe.

Preferably, the driving mechanism comprises two supporting columns fixedly connected to the inner side wall of the driving box, a motor is arranged between the two supporting columns, and a plurality of fan blades are fixedly connected to a driving shaft of the motor.

Preferably, detection mechanism is including setting up the temperature sensor in the collection flow box, the upper end fixedly connected with insulating casing of collection flow box, the upper end fixedly connected with alarm lamp of insulating casing, be equipped with the conduction subassembly that extends to in the collection flow box in the insulating casing.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this device, through the use of guard box, collection flow box and guiding gutter, just so can make the guard box and converge and be equipped with the cavity between the flow box, just so can make the condensation pile up between guard box and the collection flow box, avoided the inside condensation that piles up of collection flow box, and accumulational condensation is discharged from the guiding gutter, further protected the electrical apparatus in the collection flow box, indirect extension converge the life of electrical components in the flow box.

2. Through filtering component, the drive case, the outlet duct, the skill is your pipe, the honeycomb duct, including a motor, an end cap, a controller, and a cover plate, flabellum and temperature sensor, when temperature sensor detects the inside high temperature of collection flow box, just can pass through controller starter motor, when motor during operation, just can make outside air enter into the guard box and converge in the cavity between the box, also can make outside air enter into the collection flow box simultaneously, thereby reach the temperature that reduces the collection flow box, further avoid the inside spare part of collection flow box to be in high temperature state, and filtering component can handle outside air, thereby avoided dust and steam to enter into the collection flow box, further protection the inside spare part of collection flow box.

Drawings

Fig. 1 is a schematic structural diagram of a protection device for a photovoltaic combiner box of a rooftop distributed power station according to the present invention;

fig. 2 is a schematic rear view of a protection device for a photovoltaic combiner box of a rooftop distributed power station according to the present invention;

fig. 3 is a schematic view of a connection structure of a filter assembly in a photovoltaic combiner box protection device of a rooftop distributed power station according to the present invention;

fig. 4 is a schematic view of a partial cross-sectional connection structure of a photovoltaic combiner box protection device of a rooftop distributed power station according to the present invention;

fig. 5 is a schematic view of a connection structure of an input mechanism and a driving mechanism in a photovoltaic combiner box protection device of a roof distributed power station according to the present invention;

fig. 6 is a schematic view of a local connection structure of a detection mechanism in a photovoltaic combiner box protection device of a distributed roof power station according to the present invention.

In the figure: the device comprises a protection box 1, a header box 2, a water chute 3, a filtering component 4, an input pipe 41, an electromagnetic valve 42, a molecular sieve 43, a filtering cylinder 44, a sealing ring 5, a driving box 6, an air outlet pipe 7, an air inlet pipe 8, a flow guide pipe 9, a support column 10, a motor 11, fan blades 12, a temperature sensor 13, an insulating shell 14, an alarm lamp 15 and a conduction component 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a photovoltaic combiner box protection device for a roof distributed power station comprises a protection box 1 and a combiner box 2, wherein the combiner box 2 is located inside the protection box 1, more specifically, a plurality of support columns are fixedly connected to an upper end surface and a lower end surface of the combiner box 2, the support columns are respectively connected to the protection box 1, so as to support the combiner box 2, a plurality of water chutes 3 are arranged at an inner bottom of the protection box 1, the water chutes 3 are obliquely arranged, the water chutes 3 penetrate through a side wall of the protection box 1 and extend to an outer side of the protection box, wherein the water chutes 3 are obliquely arranged, so as to discharge water drops in the protection box 1 and the combiner box 2, further prevent the water drops from being accumulated in the protection box 1 and the combiner box 2, more specifically, a pipeline is fixedly connected to an air inlet end of the protection box 1, and a dustproof net is arranged in the pipeline, therefore, the gas in the protection box 1 and the gas in the confluence box 2 can be normally discharged to achieve the purpose of cooling.

The protection box 1 is provided with a filtering component 4 extending to the interior of the confluence box 2, the filtering component 4 is composed of an input pipe 41, an electromagnetic valve 42, a molecular sieve 43 and a filtering cylinder 44, one end of the input pipe 41 penetrates through the side wall of the protection box 1 and extends to the interior of the confluence box 2, a plurality of sealing rings 5 are respectively arranged at the connecting positions of the input pipe 41 and the protection box 1 as well as the confluence box 2, wherein the sealing rings 5 can increase the sealing performance of the input pipe 41, the protection box 1 and the confluence box 2, the electromagnetic valve 42 is arranged on the input pipe 41, the electromagnetic valve 42 is electrically connected with the temperature sensor 13, when the temperature sensor 13 detects the fire of the confluence box 2, the electromagnetic valve 42 can be closed, further, the motor 11 can be operated, so that the gas in the confluence box 2 can be pumped out, the purpose of fire extinguishing is further achieved, the molecular sieve 43 is arranged in the input pipe 41, wherein the molecular sieve 43 can absorb the moisture in the air, further avoiding the ingress of moisture into the combiner box 2, a filter cartridge 44 is screwed to the input of the input pipe 41, wherein the filter cartridge 44 is capable of filtering dust, thereby avoiding the ingress of dust into the combiner box 2.

The junction of filter assembly 4 and collection flow box 2 and guard box all is equipped with sealing ring 5, be connected with the input mechanism who is connected with collection flow box 2 on the guard box 1, input mechanism includes drive box 6 of fixed connection on guard box 1, the fixedly connected with outlet duct 7 of giving vent to anger of drive box 6, the air inlet fixedly connected with of drive box 6 extends to the inside intake pipe 8 of collection flow box 2, the air inlet fixedly connected with two symmetrical honeycomb ducts 9 of intake pipe 8, wherein be equipped with the dust screen in the especially noted outlet duct 7, thereby avoided the dust to enter into in the drive box 6, wherein intake pipe 8 extends to collection flow box 2 in, thereby can make the gas outgoing in collection flow box 2, and honeycomb duct 9 can make the gas outgoing between guard box 1 and the collection flow box 2, thereby reach the mesh of reducing the temperature.

The driving mechanism is arranged in the input mechanism and comprises two supporting columns 10 fixedly connected to the inner side wall of the driving box 6, a motor 11 is arranged between the two supporting columns 10, the motor 11 is in the prior art and is not excessively stated, the temperature sensor 13 is connected with the motor 11, when the temperature sensor 13 detects that the temperature is too high, the controller can start the motor 11, the prior art is not excessively stated, and a plurality of fan blades 12 are fixedly connected to a driving shaft of the motor 11.

Be equipped with detection mechanism on the collection flow box 2, detection mechanism is including setting up the temperature sensor 13 in collection flow box 2, wherein temperature sensor 13 is prior art, it does not excessively state here, the upper end fixedly connected with insulating casing 14 of collection flow box 2, the upper end fixedly connected with alarm lamp 15 of insulating casing 14, be equipped with the conduction subassembly 16 that extends to in collection flow box 2 in the insulating casing 14, wherein the particular notice is that conduction subassembly 16 comprises the current conducting plate and leads electrical pillar, wherein the current conducting plate laminates on the casing of collection flow box 2, and it is in insulating casing 14 and is connected with alarm lamp 15 to lead electrical pillar, wherein alarm lamp 15 is the neon bulb, and be equipped with resistance between the two, thereby can detect the condition whether electric leakage of collection flow box 2, its theory of operation is similar to the theory of operation of electrography.

In the utility model, when the device is used, wherein the protective box 1 and the collecting box 2 are arranged, the condensed water drops of the collecting box 2 can be positioned between the protective box and the collecting box 2, the water chute 3 can discharge the condensed water drops to the outer side of the protective box 1, the motor 11 can be operated when the temperature sensor 13 detects that the temperature is overhigh, the fan blades 12 can be rotated when the motor 11 is operated, external air can further enter the collecting box 2 from the filter component 4, the external air can enter the protective box 1 and the collecting box 2, after the external air enters the filter component 4, the filter cylinder 44 can filter dust in the air, and the molecular sieve 43 can absorb moisture in the air, so that the heat of the collecting box 2 can be discharged, and the external air can enter the protective box 1 and the collecting box 2, further reduction converges the temperature between flow box 2 and the guard box 1 to when converging flow box 2 and taking place the condition of electric leakage, conduction assembly 16 makes alarm lamp 15 shine, and further messenger's staff obtains reminding, thereby has avoided the staff to receive the injury.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a roof distributed power station photovoltaic conflux case protection device, includes guard box (1) and conflux case (2), its characterized in that, it is inside guard box (1) to converge flow case (2), the interior bottom of guard box (1) is equipped with a plurality of guiding gutters (3), be equipped with on guard box (1) and extend to the filter assembly (4) that converge flow case (2) are inside, filter assembly (4) all are equipped with sealing ring (5) with the junction of converging flow case (2) and guard box, be connected with the input mechanism who is connected with conflux case (2) on guard box (1), be equipped with actuating mechanism in the input mechanism, be equipped with detection mechanism on conflux case (2).

2. The photovoltaic combiner box protection device of the rooftop distributed power station according to claim 1, wherein the filtering component (4) is composed of an input pipe (41), a solenoid valve (42), a molecular sieve (43) and a filtering cylinder (44), one end of the input pipe (41) penetrates through the side wall of the protective box (1) and extends to the inside of the combiner box (2), the sealing rings (5) are respectively arranged at the connection positions of the input pipe (41) and the protective box (1) and the combiner box (2), the solenoid valve (42) is arranged on the input pipe (41), the molecular sieve (43) is arranged inside the input pipe (41), and the filtering cylinder (44) is in threaded connection with the input end of the input pipe (41).

3. The protection device for the photovoltaic combiner box of the rooftop distributed power station according to claim 1, wherein the water chutes (3) are obliquely arranged, and the water chutes (3) penetrate through the side wall of the protection box (1) and extend to the outer side of the protection box.

4. The photovoltaic combiner box protection device of the rooftop distributed power station according to claim 1, wherein the input mechanism comprises a driving box (6) fixedly connected to the protection box (1), an air outlet pipe (7) is fixedly connected to an air outlet end of the driving box (6), an air inlet pipe (8) extending to the interior of the combiner box (2) is fixedly connected to an air inlet end of the driving box (6), and two symmetrical flow guide pipes (9) are fixedly connected to an air inlet end of the air inlet pipe (8).

5. The protection device for the photovoltaic combiner box of the rooftop distributed power station according to claim 4, wherein the driving mechanism comprises two supporting columns (10) fixedly connected to the inner side wall of the driving box (6), a motor (11) is arranged between the two supporting columns (10), and a plurality of fan blades (12) are fixedly connected to a driving shaft of the motor (11).

6. The protection device for the photovoltaic combiner box of the rooftop distributed power station according to claim 1, wherein the detection mechanism comprises a temperature sensor (13) arranged in the combiner box (2), an insulating shell (14) is fixedly connected to the upper end of the combiner box (2), an alarm lamp (15) is fixedly connected to the upper end of the insulating shell (14), and a conduction assembly (16) extending into the combiner box (2) is arranged in the insulating shell (14).